Subtract 75/27 from 18/10
1st number: 1 8/10, 2nd number: 2 21/27
18/10 - 75/27 is -44/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
75/27 = 75 × 10/27 × 10 = 750/270 - Subtract the two like fractions:
486/270 - 750/270 = 486 - 750/270 = -264/270 - After reducing the fraction, the answer is -44/45
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